World news photos: Zumba prostitution and more

March 31, 2013 |By JAKE ELLISON

AP

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In this still image taken from security video provided by the Southeastern Pennsylvania Transportation Authority (SEPTA), Christopher Knafelc jumps off a subway platform in north Philadelphia to help a man who fell onto the tracks Thursday afternoon. Knafelc, 32, jumped down to help the man, knowing that a train would be arriving in a few minutes. Train traffic was halted and the man was taken to a hospital and listed in stable condition.

AP

5of46

In this still image taken from security video provided by the Southeastern Pennsylvania Transportation Authority (SEPTA), Christopher Knafelc jumps off a subway platform in north Philadelphia to help a man who fell onto the tracks Thursday afternoon. Knafelc, 32, jumped down to help the man, knowing that a train would be arriving in a few minutes. Train traffic was halted and the man was taken to a hospital and listed in stable condition.